Question
Which of the following is true about String instance variables?
- A. They can be set to null.
- B. They can never be set from outside the class they are defined in.
- C. They can only be set in the constructor.
- D. They can only be set once per run of the program.
A.
Note
Assuming the variables are not primitives, they allow a null assignment.
The other statements are false.
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